Daily Fruit Juice Linked to Higher Cancer Risk

Henrietta Brewer
July 11, 2019

She said fruit juices showed the same association with cancer as soft drink.

Just a small glass of juice or soda a day can reportedly increase a person's overall risk for cancer by almost 20 percent.

Among women, a similar consumption level was tied to a 22% rise in breast cancer risk, the French research team found.

Authors of the study, which appeared in the BMJ medical journal, stressed their work was based on observation and so could not establish the cause of cancer prognoses.

Some 21% of the group were men and 79% were women.

Those taking part had completed at least two 24-hour online validated dietary questionnaires, created to measure their usual intake of 3,300 food and beverage items, and were followed up for a maximum of nine years.


The participants filled out at least two 24-hour online validated dietary questionnaires, which calculated their daily consumption of sugary beverages.

For every extra 100ml per day consumed on top of this, a person's cancer risk increased by 18pc for all cancers and, among women, by 22pc for breast cancer.

However, Catherine Collins, a dietician in the UK's National Health Service, said that the absence of cancer risk in using diet drinks was the "take-home message" of the research. When people drank the same amount of unsweetened fruit juice, they were also more likely to develop cancer, the researchers found.

Touvier said her team observed that sugar seemed to be the main driver of the link.

During the study's follow-up period, a total of 2,193 first cases of cancer were diagnosed, at the average age of 59 years.

Sugary drinks have increased in popularity all around the world and these drinks have already been linked to obesity.


For prostate and colorectal cancers, no link was found, but the researchers said this might have been because the numbers of cases of these cancers in the study participants was limited.

They pointed to other research which suggested that sugary drinks promoted body fat around the abdomen, even if a person was a healthy weight, which in turn promoted the growth of tumours.

The authors said the study is observational, meaning the group can not state sugars cause cancer.

She added: "More research is needed to understand if there is a direct link between sugary drinks and cancer".

Gavin Partington, director-general of the British Soft Drinks Association, said the study "does not provide evidence of cause, as the authors readily admit".

"All beverages - either with sugar or without - are safe to consume as part of a balanced diet", the American Beverage Association said in a statement.


"The soft drinks industry recognises it has a role to play in helping to tackle obesity which is why we have led the way in calorie and sugar reduction".

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